GTX 760 SLI on 600w

Chrisidas · Aug 24, 2016

Hi,

I've been thinking of buying a second hand GTX 760, to SLI with my current GTX 760.

Having a look around the forums it seems like I may need a more powerful PSU. I'm pretty skint at the moment (got my first child on the way), so do t really want to buy one unless I have to.

I currently have:

Corsair CMPSU-600CXV2UK (I think this has 80 plus certification)

AMD Phenom II X4 965
Acer GTX 760
2 x 4gb DDR3 RAM
Samsung 840 Series 120gb SSD
Western Digital Scorpio Blue 500gb HDD
Asus M5A97 Motherboard

I've also got a few fans, and an after market cooler for my CPU.

I used a calculator, and it advised a minimum of 580w with 2 GTX 760s. Do you think 600w is cutting it a bit fine?

What does everyotlne think?

Thanks,

Chris

DSzymborski · Aug 24, 2016

The GTX 760 only draws a little over 150W on a torture test, so we're talking 300-320W from the two in a worst-case scenario. This isn't a particularly power-hungry GPU and I'd be OK running it with a 600W PSU (calculators tend to be very aggressive about what you need). My main concern would be stressing out a Corsair CX that is probably two or three years old - they're mostly intended for office use.

Eximo · Aug 24, 2016

If I am not mistaken you don't have SLI support on that motherboard? They don't mention it, and it none of the versions of that board are listed on partpicker as having it. Your only option is a faster card or a switch to AMD for Crossfire.

With the CX600 you would be lucky if it worked. Only really has 522 Watts on the 12V rail.

Chrisidas · Aug 24, 2016

Thanks, for the replies. I didn't even think about SLI support for my motherboard, I just assumed it was a graphics card thing.

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